CN103866670A - Novel fabricated vehicle bearing pavement and construction method thereof - Google Patents
Novel fabricated vehicle bearing pavement and construction method thereof Download PDFInfo
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- CN103866670A CN103866670A CN201410070773.7A CN201410070773A CN103866670A CN 103866670 A CN103866670 A CN 103866670A CN 201410070773 A CN201410070773 A CN 201410070773A CN 103866670 A CN103866670 A CN 103866670A
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Abstract
The invention discloses a novel fabricated vehicle bearing pavement and a construction method thereof. The novel fabricated vehicle bearing pavement is formed by superposing, assembling and laying fabricated reinforced concrete plate members in double layers, wherein double-layer bidirectional steel reinforcement frameworks are uniformly distributed inside upper pavement slabs and lower pavement slabs; lifting rings are embedded on lower parts of the frameworks in advance; rubber films are laid between the upper pavement slabs and the lower pavement slabs; a wear-resistant steel fiber concrete layer is arranged on the upper parts of the upper pavement slabs. The construction method comprises the following steps: 1. fabricating reinforced concrete pavement members; 2. lifting and transporting the prefabricated pavement members; 3. flattening the roadbed, laying the lower pavement slabs, rubber films and upper pavement slabs sequentially, laying the pavement slabs in a manner of staggering from each other according to seams, namely the seams between the slabs are not communicated with one another. The construction quality is easily guaranteed, the prefabricated pavement member is light in structure, high in strength, and convenient to transport and construct, can be repeatedly used and is particularly suitable for laying temporary vehicle bearing roads on the construction site, the rubber films can achieve a buffer effect, the friction force between the pavement slabs can be increased, and the pavement slabs are prevented from slipping.
Description
Technical field
The invention belongs to assembled steel reinforced concrete pavement construction technical field, relate to a kind of repeatedly used prefabricated reinforced concrete pavement system, comprise road slab and construction technology thereof and road slab paving mode.Be mainly used in quick laying construction transport channel, guarantee the current smoothly of construction heavy-duty vehicle.Improve builder's road and laid speed, for completing of work items provides guarantee on schedule.After project construction completes, road surface plate can be reclaimed to use next time, improve the recycling rate of waterused of material, reduce the generation of building waste.
Background technology
In the cast-in-place reinstatement works of cement concrete pavement, because ordinary Portland cement setting and harden is slow, the strength developing time is long, generally need fencing lawn 14 days to concrete strength to reach the more than 80% of design strength, can open to traffic.If on the on-the-spot cast-in-situ concrete road surface that adopts of site construction, can delay the duration, particularly when cast-in-situ concrete road surface after pavement damage is repaired also more difficult, as adopt precast concrete plank splicing road surface just can greatly shorten the pavement construction time, for the road surface of damaging, its broken parts is changed, and can carry on construction work at night, not affect the progress of construction works.Lay general reinforced concrete pavement is all disposable, need to after use, be removed, thereby waste a large amount of manpower and materials, and produce a large amount of building wastes for temporary road, and environment is worked the mischief.If adopt the reusable road slab of lifting, convenient transportation, can further improve efficiency of construction, reduce costs protection of the environment.
For heavy-duty vehicle, general prefabricated road surface can not meet current requirement, easily occurs that road surface is sagging, needs road pavement to process to improve road surface bearing capacity.The double-layered road slab paving mode of this creationary employing, greatly reduces heavy-duty vehicle and takes turns the road surface soil pressure of depressing, thereby improved road surface bearing capacity, makes road surface can meet the current requirement of heavy-duty vehicle.
Summary of the invention
For quick laying construction road, reduce the generation of building waste and the destruction of land resources, convenience based on transportation and the rapidity of construction, and improve prefabricated road surface bearing capacity and provide a kind of applicable heavy-duty vehicle current road surface, the object of the invention is to, a kind of novel assembling vehicle-mounted road surface and construction method thereof are provided, reusable, bearing capacity is high, and lay the prefabricated rigid pavement that is applicable to heavy-duty vehicle, is easy to construction road lay fast and rush to repair.
In order to realize above-mentioned task, the present invention adopts following technical solution;
A kind of novel assembling vehicle-mounted road surface, lay and form by the assembling of precast rc slab module component, it is characterized in that: described precast rc slab module component forms double-layered structure by upper road slab and lower road slab, the inside of described upper road slab and lower road slab is evenly equipped with double-layer double-direction cage of reinforcement, and pre-buried suspension ring are arranged at bottom; Between upper road slab and lower road slab, be equipped with rubber film, the top of described upper road slab has abrasion-resistant stee fibrous concrete layer.
Described lower road slab is thinner than top panel thickness, and surface does not have steel fibrous concrete.
Described upper road slab dislocation is laid on the upper surface of lower road slab, covers seam between the plate of lower road slab.
Described pre-buried suspension ring the right and left is symmetrical arranged, and preferably arranges four.
A construction method for novel assembling vehicle-mounted road surface, is characterized in that the method comprises the following steps:
Step 1, prefabricated reinforced concrete road surface member, comprise road slab and lower road slab;
The lifting of step 2, reinforced concrete pavement prefabricated units, transportation;
After described step 3, between the plate of upper road slab, seam crossing bankets and jolt ramming, at the plate body both sides of upper road slab earth filling tamping.
In described step 1, the prefabricating and constructing of upper road slab is as follows: install template, arrange double-layer double-direction cage of reinforcement, first pour into a mould steel fibrous concrete layer, pour into a mould afterwards ordinary concrete, in structural base, while building, in structure top, pre-buried suspension ring, after hoisted in position cut off pre-buried suspension ring.
When above-mentioned assembled steel reinforced concrete flag design, in order to improve road surface bearing capacity, avoid road slab under heavy-duty vehicle loads to sink, adopt double-layered paving mode, greatly improve road slab bearing capacity.
The present invention is laid in object to reduce situ wet operation, reduce building waste, reduce the destruction of land resources and to accelerate construction temporary road, having designed can prefabricated, the reusable prefabricated concrete flag of batch production, thereby improved efficiency of construction, emphasis solves following technical problem.
It is preferably suitable that to prepare material, particularly steel fibrous concrete raw-material preferably and configuration.In order to improve abrasion resistance and the impact resistance on road surface, one deck steel fibrous concrete is laid on the surface of this prefabricated concrete flag.In steel fibrous concrete due to the generation in steel fibre retardance original concrete crack, the characteristic such as make that steel fibrous concrete has that good anti-folding, shock resistance, antifatigue and shrinkage factor are little, good toughness, abrasion performance ability are strong.But the poor fluidity of steel fibrous concrete compared with ordinary reinforced concrete, while building, tackle corner part immersion vibrator and vibrate, closely knit to guarantee it, simultaneously rule of thumb and calculate, if desired by experiment, determine volume water supply volume, sand coarse aggregate ratio and dosage of steel fiber.
Optimizing construction technique: the factory prefabricating of prefabricated concrete flag can improve its efficiency of construction largely, in addition, also necessary construction technology and operation reasonable in design, makes constructing operation simple, efficient and convenient, further improves road pavement efficiency.
The prefabricated reinforced concrete pavement of the present invention plate, compared with traditional road pavement and method for maintaining, has structural strength high, is convenient to transportation, reusable, and the advantage such as construct efficient, is in particular in the following aspects:
1) bearing capacity is high, show through finite element analysis, road slab adopts and can greatly reduce heavy-duty vehicle after double-layered laying and take turns the road surface soil pressure of depressing, thereby improve road surface bearing capacity, really accomplish roadbed without any processing or simple smooth after spread this road slab and can meet the current requirement of heavy-duty vehicle.
2) playing cushioning effect avoids upper and lower road slab direct collision on the one hand between upper and lower road slab, to lay one deck rubber film, improves on the other hand the frictional force between road slab, avoids skidding between road slab.
3) structure is slim and graceful, convenient transportation.Although structure is built by steel concrete, the volume of each piece is little, and therefore monolithic weight is not approximately 2 tons, transports more convenient.
4) Fast Installation, easy construction.Structure top is provided with built-in fitting, makes the lifting of this prefabricated reinforced concrete pavement plate very convenient.In when construction, road slab is lifted into smooth road surface, after having spliced, without any need for being connected, can use between piece and piece and between piece and basis.
5) the required plant equipment of constructing is few, and material usage is economized, and low its of energy consumption can be reused, and greatly reduces construction costs and other expenditure.Because prefabricated concrete flag is prefabricated in the factory, at the construction field (site), only need be by grading, this prefabricated reinforced concrete road slab is laid in lifting, to temporary road, is finished rear recyclablely, in order to use next time, further saves material usage.
6) pavement construction is few to ambient influnence.Traditional pavement construction needs more construction machinery, produces larger noise when construction machinery operation.Meanwhile, in traditional pavement engineering construction, waste material of buildings is more, comprises water conservancy, timber, packaging material, discarded mould etc.These refuses are buried under the ground, and can cause the pollution of underground water.The present invention is prefabricated at workshop, and refuse is less and can focus on, and job site environment is not almost affected.
7) abrasion resistance is good.Road crust of the present invention is steel fibrous concrete surface layer, mixes a kind of novel heterogeneous composite material that the short steel fibre of random distribution forms in ordinary concrete.The steel fibre of these random distributions can hinder the expansion of inside concrete microcrack and the formation of macrocrack effectively, has improved significantly concrete tension, bending resistance, shock resistance and anti-fatigue performance, thereby greatly improves the abrasion resistance on road slab top layer.
8) spread i.e. use, open to traffic early.Once laying construction is complete, open to traffic immediately.Even can be open to traffic on construction limit, limit, be conducive to conveniently marching into the arena of construction machinery and Construction traffic, accelerating construction progress.The time that is open to traffic after construction of cement concrete road surface is greater than 16 days, and the time that is open to traffic after asphalt concrete pavement construction is greater than 3 days, and prefabricated concrete flag of the present invention can spread i.e. use, and even limit paving is just used.
9) dismounting freely.Prefabricated concrete flag is reusable, can lay in advance, is transported to when needed on-the-spot laying.
10) technique is simple, and cost is lower, and prefabricated concrete flag adopts ordinary reinforced concrete as preparing material, and the cost of material is low, and structure is cuboid Mold Making and builds all very convenient.
11) structure top is provided with steel fibre reinforced concrete laying, and steel fibre reinforced concrete laying has improved abrasion resistance and the crack resistance on plate surface, prefabricated reinforced concrete pavement, thus the application life of having improved structure.
12) applied widely.Prefabricated concrete flag is applicable to have the various roadbeds of certain bearing capacity, can not only be used in the laying of construction with interim matter transportation road, can also be used for rushing to repair the road being damaged in earthquake.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the distribution schematic diagram of pre-buried suspension ring;
Fig. 3 is the internal construction schematic diagram of upper road slab;
Fig. 4 is the internal construction schematic diagram of lower road slab.
The upper road slab of Reference numeral: 1-; Road slab under 2-; 3-abrasion-resistant stee fibrous concrete layer; 4-double-layer double-direction cage of reinforcement; Seam between 5-plate; The pre-buried suspension ring of 6-; 7-rubber film.
The specific embodiment
Referring to Fig. 1, Fig. 3, Fig. 4, this novel assembling vehicle-mounted road surface, lay and form by the assembling of precast rc slab module component, it is characterized in that: described precast rc slab module component forms double-layered structure by upper road slab 1 and lower road slab 2, the inside of described upper road slab 1 and lower road slab 2 is evenly equipped with double-layer double-direction cage of reinforcement 4, and pre-buried suspension ring 6 are arranged at bottom; Between upper road slab 1 and lower road slab 2, be equipped with the rubber film 7 that a layer thickness is 2mm, the top of described upper road slab 1 has the abrasion-resistant stee fibrous concrete layer 3 that a layer thickness is about 5cm.
Described lower road slab 2 is thinner than top panel 1 thickness, and surface does not have steel fibrous concrete.
1 dislocation of described upper road slab is laid on the upper surface of lower road slab 2, covers seam 5 between the plate of lower road slab 2.
Be symmetrical arranged referring to pre-buried suspension ring 6 the right and lefts described in Fig. 2, preferably arrange four.
A construction method for novel assembling vehicle-mounted road surface, is characterized in that the method comprises the following steps:
Step 1, prefabricated reinforced concrete road surface member, comprise road slab 1 and lower road slab 2;
The lifting of step 2, reinforced concrete pavement prefabricated units, transportation;
After described step 3, between the plate of upper road slab 1, banket and jolt ramming in seam 5 places, at the plate body both sides of upper road slab 1 earth filling tamping.
In described step 1, the prefabricating and constructing of upper road slab 1 is as follows: install template, arrange double-layer double-direction cage of reinforcement 4, first pour into a mould steel fibrous concrete layer 3, pour into a mould afterwards ordinary concrete, in structural base, while building in structure top, pre-buried suspension ring 6, after hoisted in position cut off pre-buried suspension ring 6.
When above-mentioned assembled steel reinforced concrete flag design, considered that reusable needs, assembled steel reinforced concrete flag longitudinal length are about that 3m, transverse width are about 2m, thickness is divided into two kinds of 0.15m, 0.1m, gross weight is respectively 2.3 tons, 1.5 tons.The length and width of described upper road slab 1 are preferably set to 3m × 2m, and thickness is preferably set to 0.1m～0.15m.The thickness of described lower road slab 2 is less than the thickness of described road slab (1).The thickness of described steel fibrous concrete layer is 4～6cm, is preferably set to 5cm.
According to the form of structure of road slab, the present invention is based on finite element theory, set up FEM (finite element) model prefabricated concrete flag is carried out to mechanical analysis, verify the reliability of its structural strength.
For steel fibre surface layer, if build time channel towards upper, the steel fibre diameter road surface of more easily emerging, have influence on evenness of road surface, for fear of problems, build time channel and face down, process like this, body structure surface planeness after the demoulding is higher, does not need to do any processing and can guarantee planarization.
Claims (7)
1. a novel assembling vehicle-mounted road surface, lay and form by the assembling of precast rc slab module component, it is characterized in that: described precast rc slab module component forms double-layered structure by upper road slab (1) and lower road slab (2), the inside of described upper road slab (1) and lower road slab (2) is evenly equipped with double-layer double-direction cage of reinforcement (4), and pre-buried suspension ring (6) are arranged at bottom; Between upper road slab (1) and lower road slab (2), be equipped with rubber film (7), the top of described upper road slab (1) has abrasion-resistant stee fibrous concrete layer (3).
2. by novel assembling vehicle-mounted road surface claimed in claim 1, it is characterized in that, described lower road slab (2) is thinner than top panel (1) thickness, and surface does not have steel fibrous concrete.
3. by novel assembling vehicle-mounted road surface claimed in claim 1, it is characterized in that, described upper road slab (1) dislocation is laid on the upper surface of lower road slab (2), covers seam (5) between the plate of lower road slab (2).
4. by novel assembling vehicle-mounted road surface claimed in claim 1, it is characterized in that, described pre-buried suspension ring (6) the right and left is symmetrical arranged, and preferably arranges four.
5. a construction method for novel assembling vehicle-mounted road surface as described in claim 1-4 any one, is characterized in that the method comprises the following steps:
Step 1, prefabricated reinforced concrete road surface member, comprise road slab (1) and lower road slab (2);
The lifting of step 2, reinforced concrete pavement prefabricated units, transportation;
Step 3, grading, first lay lower road slab (2), then lays rubber film (6), then lays upper road slab (1), and upper road slab 1 is laid with lower road slab (2) fissure of displacement, and between plate, seam (5) does not connect.
6. the construction method of novel assembling vehicle-mounted road surface according to claim 5, is characterized in that: after described step 3, seam between the plate of upper road slab (1) (5) is located to banket and jolt ramming, at the plate body both sides of upper road slab (1) earth filling tamping.
7. the construction method of novel assembling vehicle-mounted road surface according to claim 5, it is characterized in that: in described step 1, the prefabricating and constructing of upper road slab (1) is as follows: install template, arrange double-layer double-direction cage of reinforcement (4), first pour into a mould steel fibrous concrete layer (3), pour into a mould afterwards ordinary concrete, in structural base, while building, in structure top, pre-buried suspension ring (6), after hoisted in position cut off pre-buried suspension ring (6).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410070773.7A CN103866670B (en) | 2014-02-28 | 2014-02-28 | Fabricated vehicle bearing pavement and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410070773.7A CN103866670B (en) | 2014-02-28 | 2014-02-28 | Fabricated vehicle bearing pavement and construction method thereof |
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| CN103866670A true CN103866670A (en) | 2014-06-18 |
| CN103866670B CN103866670B (en) | 2017-01-11 |
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| CN201410070773.7A Expired - Fee Related CN103866670B (en) | 2014-02-28 | 2014-02-28 | Fabricated vehicle bearing pavement and construction method thereof |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104233914A (en) * | 2014-08-21 | 2014-12-24 | 四川金锋建设有限公司 | Construction method of portable type country road hardened pavement |
| CN104947561A (en) * | 2015-06-17 | 2015-09-30 | 天津住宅集团建设工程总承包有限公司 | Precast concrete assembling road construction method |
| CN106884366A (en) * | 2017-04-24 | 2017-06-23 | 中建二局第二建筑工程有限公司华东分公司 | A kind of assembled road and its construction method |
| CN107881912A (en) * | 2017-11-03 | 2018-04-06 | 内蒙古工业大学 | Containing buffer layer, rigid layer, water-proof antifriction layer assembled steel bridge face structure and construction method |
| CN108049275A (en) * | 2017-11-28 | 2018-05-18 | 上海中冶环境工程科技有限公司 | A kind of permeable prefabricated board of monoblock type self-locking type and its preparation method and application |
| CN108547193A (en) * | 2018-05-24 | 2018-09-18 | 贾守训 | A kind of quick laying road of dangerous situation |
| CN108915248A (en) * | 2018-07-24 | 2018-11-30 | 福州大学 | The continuous construction method of fiber is realized in concrete structure seam crossing using mold |
| CN108951340A (en) * | 2018-06-22 | 2018-12-07 | 苏州市广卫特种水泥制品有限公司 | A kind of steel fiber reinforced concrete sponge urban ecology guidance tape and preparation method thereof |
| CN109440571A (en) * | 2018-12-06 | 2019-03-08 | 中国矿业大学 | The construction method for building road is faced in a kind of laying of prefabricated board |
| CN110105784A (en) * | 2019-04-30 | 2019-08-09 | 长安大学 | A kind of regenerated engineering assembled road surface and its laying method |
| CN110295523A (en) * | 2019-07-10 | 2019-10-01 | 叶尔丰 | Road rigid pavement precast concrete block |
| CN110409244A (en) * | 2019-08-23 | 2019-11-05 | 中国建筑第七工程局有限公司 | A kind of prefabricated road deck of composite bearing and prefabricated pavement construction method |
| CN112127244A (en) * | 2020-10-19 | 2020-12-25 | 嵊州米想道路设施有限公司 | Automatic arrange road surface brick paving device of brick |
| CN112458818A (en) * | 2020-12-08 | 2021-03-09 | 长沙理工大学 | High-comfort assembly type cement concrete pavement repairing structure, construction method and pavement structure overturning device |
| CN115467209A (en) * | 2022-09-16 | 2022-12-13 | 福州大学 | Double-layer vertical connection composite board assembled photovoltaic footpath pavement structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104233914A (en) * | 2014-08-21 | 2014-12-24 | 四川金锋建设有限公司 | Construction method of portable type country road hardened pavement |
| CN104947561A (en) * | 2015-06-17 | 2015-09-30 | 天津住宅集团建设工程总承包有限公司 | Precast concrete assembling road construction method |
| CN106884366A (en) * | 2017-04-24 | 2017-06-23 | 中建二局第二建筑工程有限公司华东分公司 | A kind of assembled road and its construction method |
| CN107881912B (en) * | 2017-11-03 | 2019-04-16 | 内蒙古工业大学 | Assembled steel bridge face structure and construction method containing buffer layer, rigid layer, water-proof antifriction layer |
| CN107881912A (en) * | 2017-11-03 | 2018-04-06 | 内蒙古工业大学 | Containing buffer layer, rigid layer, water-proof antifriction layer assembled steel bridge face structure and construction method |
| CN108049275A (en) * | 2017-11-28 | 2018-05-18 | 上海中冶环境工程科技有限公司 | A kind of permeable prefabricated board of monoblock type self-locking type and its preparation method and application |
| CN108547193A (en) * | 2018-05-24 | 2018-09-18 | 贾守训 | A kind of quick laying road of dangerous situation |
| CN108951340A (en) * | 2018-06-22 | 2018-12-07 | 苏州市广卫特种水泥制品有限公司 | A kind of steel fiber reinforced concrete sponge urban ecology guidance tape and preparation method thereof |
| CN108915248A (en) * | 2018-07-24 | 2018-11-30 | 福州大学 | The continuous construction method of fiber is realized in concrete structure seam crossing using mold |
| CN109440571A (en) * | 2018-12-06 | 2019-03-08 | 中国矿业大学 | The construction method for building road is faced in a kind of laying of prefabricated board |
| CN110105784A (en) * | 2019-04-30 | 2019-08-09 | 长安大学 | A kind of regenerated engineering assembled road surface and its laying method |
| CN110105784B (en) * | 2019-04-30 | 2022-03-29 | 长安大学 | Recycled engineering plastic assembled pavement and paving method thereof |
| CN110295523A (en) * | 2019-07-10 | 2019-10-01 | 叶尔丰 | Road rigid pavement precast concrete block |
| CN110409244A (en) * | 2019-08-23 | 2019-11-05 | 中国建筑第七工程局有限公司 | A kind of prefabricated road deck of composite bearing and prefabricated pavement construction method |
| CN112127244A (en) * | 2020-10-19 | 2020-12-25 | 嵊州米想道路设施有限公司 | Automatic arrange road surface brick paving device of brick |
| CN112458818A (en) * | 2020-12-08 | 2021-03-09 | 长沙理工大学 | High-comfort assembly type cement concrete pavement repairing structure, construction method and pavement structure overturning device |
| CN112458818B (en) * | 2020-12-08 | 2022-03-08 | 长沙理工大学 | High-comfort assembly type cement concrete pavement repairing structure, construction method and pavement structure overturning device |
| CN115467209A (en) * | 2022-09-16 | 2022-12-13 | 福州大学 | Double-layer vertical connection composite board assembled photovoltaic footpath pavement structure |
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